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Matus Ujhelyi
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Linus Torvalds
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Apr 30, 2013
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trunk/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
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TPS65217 family of regulators | ||
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The TPS65217 chip contains a boost converter and current sinks which can be | ||
used to drive LEDs for use as backlights. | ||
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Required properties: | ||
- compatible: "ti,tps65217" | ||
- reg: I2C slave address | ||
- backlight: node for specifying WLED1 and WLED2 lines in TPS65217 | ||
- isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level) | ||
- fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000 | ||
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Each regulator is defined using the standard binding for regulators. | ||
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Example: | ||
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tps: tps@24 { | ||
reg = <0x24>; | ||
compatible = "ti,tps65217"; | ||
backlight { | ||
isel = <1>; /* 1 - ISET1, 2 ISET2 */ | ||
fdim = <100>; /* TPS65217_BL_FDIM_100HZ */ | ||
}; | ||
}; |